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authorDiana Craciun <diana.craciun@oss.nxp.com>2020-09-29 11:54:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-02 16:05:02 +0200
commit0dadd95216d56cec01cef066eebe6354f069ff34 (patch)
treebe174bb5291d065e16fe7cd3c61f183ba803c8f9 /include/linux/fsl/mc.h
parent5026cf605143e764e1785bbf9158559d17f8d260 (diff)
bus/fsl-mc: Export IRQ pool handling functions to be used by VFIO
The IRQ pool handling functions can be used by both DPRC driver and VFIO. Adapt and export those functions. Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com> Link: https://lore.kernel.org/r/20200929085441.17448-12-diana.craciun@oss.nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/fsl/mc.h')
-rw-r--r--include/linux/fsl/mc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index e99d181ee4cd..f791fe38c251 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -542,6 +542,17 @@ int dprc_cleanup(struct fsl_mc_device *mc_dev);
int dprc_setup(struct fsl_mc_device *mc_dev);
+/**
+ * Maximum number of total IRQs that can be pre-allocated for an MC bus'
+ * IRQ pool
+ */
+#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256
+
+int fsl_mc_populate_irq_pool(struct fsl_mc_device *mc_bus_dev,
+ unsigned int irq_count);
+
+void fsl_mc_cleanup_irq_pool(struct fsl_mc_device *mc_bus_dev);
+
/*
* Data Path Buffer Pool (DPBP) API
* Contains initialization APIs and runtime control APIs for DPBP